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Radiant|Natural|GIA

1.20ct K SI1 Radiant Natural Diamond

GD • K/SI1 • GIA 5203042963

Certificate GIA 5203042963

Diamond specifications and retailer prices

From $4,293 AUD
As of November 4, 2026
Save $5,271 AUD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,565 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 5203042963. Listed at 16 retailers as of November 4, 2026, with prices from $4,293 to $9,565, a $5,271 spread on the same certified stone. NZ Jewellers lists it at $9,565. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
K
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5203042963
Dimensions6.87 × 5.42 × 3.74 mm
L/W Ratio1.27
Top View
6.87 mm5.42 mm1.20 ctK / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5203042963
Side View
Table 69.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $9,565 AUD|Low: $4,293 AUD|High: $9,565 AUD|Avg: $6,248 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 7$4,293 AUD
Retailer 10$4,973 AUD
Retailer 11$4,973 AUD
Retailer 9$5,165 AUD
Retailer 4$5,471 AUD
Retailer 2$5,680 AUD
Retailer 3$5,739 AUD
Retailer 5$6,031 AUD
Retailer 6$6,701 AUD
Retailer 8$9,192 AUD
NZ Jewellers$9,565 AUD

45 data points across 11 retailers

16 retailers$4,293 AUD to $9,565 AUD

B
Cheapest Retailer
-
$4,293 AUD
B
Retailer 2
-
$4,398 AUD
View
B
Retailer 3
-
$4,416 AUD
View
B
Retailer 4
-
$4,672 AUD
View
B
Retailer 5
-
$4,796 AUD
View
Retailer 6
-
$4,973 AUD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$4,973 AUD
View
C
Retailer 8
-
$5,165 AUD
View
C
Retailer 9
-
$5,407 AUD
View
C
Retailer 10
-
$5,471 AUD
View
C
Retailer 11
-
$5,680 AUD
View
C
Retailer 12
-
$5,739 AUD
View
C
Retailer 13
-
$6,031 AUD
View
C
Retailer 14
-
$6,701 AUD
View
Retailer 15
-
$9,192 AUD
View
Price last confirmed 12 days ago
Most Expensive
C
NZ Jewellers
94f6cb51-d79f-42dc-8b7d-64e08f9f080a · Nov 5
$9,565 AUD
$6,572 USD
View
15 more retailers have this diamond
Prices start from $4,293 AUDSave up to $5,271 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.20ct Radiant
$4,293 AUD